KALFOS - A Validation Facility for Strain Transfer Characterization of Surface-Applied Strain Sensors BAM Fed Inst. Mat Research Berlin

Format:

Conference/Event

Author/Creator:

Habel, Habel, author.

Contributor:

Kusche, Nadine

Munzenberger, Sven

Schukar, Vivien G.

Conference Name:

Aerospace Technology Conference & Exposition (2011-10-18 : Toulouse, France)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 2011

Summary:

Strain sensors embedded in or attached to structural components have to measure the real deformation of the structure over the whole period of use. The user must know how reliably installed sensors provide strain measurement results. For this purpose, test facilities or coupon tests are used. In order to characterize the strain transfer quality from the host structure into surface-applied strain sensors, a unique testing facility has been developed. This facility can be used both for fiber optic and resistance strain sensors. Originally developed for fiber Bragg grating based sensors, the KALFOS facility (= \bc\ba\blibration of \bfiber \boptic \bsensors) uses Digital Image Correlation (DIC) and Electronic Speckle Pattern Interferometer (ESPI) as unbiased referencing methods. It is possible to determine experimentally the strain transfer mechanism under combined thermal and mechanical loading conditions. This experimental characterization method will reveal weaknesses in commonly used strain sensors, and the investigation of the material systems used for fiber optic and other strain sensors (particularly the coating/substrate - adhesive combination). The KALFOS facility allows matching of specific measurement requirements with environmental conditions

Notes:

Vendor supplied data

Publisher Number:

2011-01-2606

Access Restriction:

Restricted for use by site license